- The output is the circulation of the water between the earth and its atmosphere.. - The process involves changing the water into vapour.The output is the water vapour.. - i An output is something taken……….the system.. - the environment of the water cycle consists of our solar system. - For each of the following statements, select a matching phrase from the list below.. - What is the meaning of the following terms?. - Hierarchy charts only illustrate the structl1re of the processes.. - i The environment is the limit of the system.. - Computer hardware refers to the parts of the computer system that you can see and hold, such as the keyboard, monitor, disk drive or printer.. - Parts of the computer system that you can see and touch are called its…………... - Some of the special keys include:. - The mouse is part of the computer's software.. - 2 .Make a drawing of the keyboard used on the computers at school. - Many kinds of output devices can be used to present data.The two most common output devices are the monitor and the printer.. - It is made up of millions of electrical components and is the control centre of the entire computer system. - Primary storage can be measured in billions of bytes (gigabytes), millions of bytes (megabytes) or thousands of bytes (kilobytes), depending on the capabilities of the computer.. - The number of these electrical pulses per second indicates the speed of the processor.. - 4 .How is the speed of the processor measured?. - Internal controls are controls that are planned as part of the computer system. - Some systems use a combination of the above techniques. - Explain the purpose of the following computer devices:. - One of the most powerful supercomputers today is the Cray-2. - Input is considered a sub-system of the computer system and can be represented by the following system diagram.. - Barcode readers used in the supermarkets are set into the surface of the checkout counters. - Touch screens detect the touch of the human finger. - A………..detects the touch of the human finger.. - Output is considered a sub-system of the computer system and can be represented by the following systems diagram.. - For each of the following statements select a matching word or phrase from the list below.. - Make a list of the output devices used in your school.. - Storage is considered a sub-system of the computer system and can be represented by the following systems diagram located on the computer's motherboard where it is linked directly to the central processing unit (CPU) so that access to data for processing is very fast. - The a memory of the computer is often found on the motherboard.. - Find the storage capacity of the following:. - A common version of the optical disk is the CD-ROM (compact-disk read only memory).. - which is part of the CPU.. - Classify these in terms of the components of a computer. - Briefly list the contribution of the following people in the development of calculating devices. - What is the importance of the following computers.. - listing the names of the files on a disk.. - The extended machine consists of the computer's hardware and operating system. - Low-level languages are dependent on the hardware of the computer system. - High-level languages are closer to the English language and are not dependent on the hardware of the computer system. - A programming language that is dependent on the hardware of the computer system f. - HOME HOME 1urtIe returns to the centre of the screen. - For each of the following statements select a matching phrase from the list below.. - 4 What is the name of the number system used by digital computers?. - A word consists of the number of………that a particular computer canprocess in one operation.. - A printout of the computer's memory is called a. - Explain the meaning of the following terms.. - For each of the following statements, select a matching word from the list below.. - 1 For each of the following statements select a matching word or phrase from the list below a. - Data is recorded by directing a laser beam onto the surface of the medium. - The data can be read using a light sensor to determine the intensity of the light reflected from the pit.. - A is a small indentation in the surface of the optical medium.. - the name of the software. - the topic/subject of the software. - a rating of the software package on a scale from 1 to 10.. - This is referred to as the specifications of the program. - Computer engineers design and invent the hardware of the computer system. - a………..design and invent the hardware of the computer system.. - Design and invent the hardware of the computer system.. - The surface of the screen should also be adjusted so that it is alright- angles to the line of sight. - Room lighting should be at a level of brightness similar to the brightness of the screen. - The 'design' and workload of a job are important to the health of the computer user. - All parts of the work environment should have. - j .The surface of the screen should be at………..angles to the line of sight.. - Explain the meaning of the term 'user'.. - Producing a statement of the solution and the method of solution.. - b...manuals are the instructions for any person using the solution c...the solution involves using the solution to solve the problem. - f...the solution involves producing a statement of the solution and the method of solution.. - The structure of the data for input and output needs to be decided. - For each of the following statements, select the correct programming language from the list below.. - List the variables used in the Pascal solution of the name problem.. - The first stage in developing a computer solution is called…………the program.. - An array is an arrangement of items of the data which can be found using a key or subscript.. - Orders and invoices are used to keep track of the accounts in a business. - System managers are the people responsible for the development of the information system.. - Direct users of information systems are people who interact with and are in control of the system. - Maintellance of data involves...the data so that it is current.. - Explain the purpose of the following software a. - The fax machine scans a document into digital signals, then acts as a modem and converts these signals into analog sounds suitable for .the telephone line. - List some of the services Videotex provides.. - Log out of the remote host.. - 1 For each of the following statements select a matching word or phrase from the list below.. - Distributed processing consists of two or more computers located at different sites to………….the processing.. - They are an essential component of the system.. - You choose the tool by pointing at the icon using the mouse and clicking the mouse with the mouse button, The tool can then be used for drawing or painting by moving the pointer across the screen and holding down the mouse button.The above picture contains some typical icons which represent tools used in graphics packages. - The quality of the image on the screen, measured by the number of pixels that occupy the screen.. - What characteristics of a pixel determine the quality of the image?. - is the quality of the image on the screen.. - 4) because it need to achieve a purpose of the system. - 4 .The number of these electrical pulses per second indicates the speed of the processor.. - The physical equipment that makes up the computer system is referred to as hardware d .The cursor is generally a rectangle the size of a capital letter which appears (sometimes flashing) on the screen of a monitor to indicate the current display position.. - A Touch screens detects the touch of the human finger.. - addresses of the source and destination of data.. - program designed or written to fit the requirements of the problem.. - d- A word consists of the number of bits that can be processed in one operation by the computer.. - Data is recorded by directing a laser beam onto the surface of the medium.. - A detailed description of the program required.. - 4) It is online to database system of the bank.. - Originators of information are people who the source of the data for the communication system.
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